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From: Guenter Roeck <linux@roeck-us.net>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>,
	linux-next@vger.kernel.org, linux-kernel@vger.kernel.org,
	Ingo Molnar <mingo@kernel.org>,
	"David S. Miller" <davem@davemloft.net>
Subject: Re: linux-next: Tree for Aug 23
Date: Tue, 2 Sep 2014 16:50:38 -0700	[thread overview]
Message-ID: <20140902235038.GA23286@roeck-us.net> (raw)
In-Reply-To: <20140902202126.GA3190@worktop.ger.corp.intel.com>

On Tue, Sep 02, 2014 at 10:21:26PM +0200, Peter Zijlstra wrote:
> On Tue, Sep 02, 2014 at 12:04:45PM -0700, Guenter Roeck wrote:
> 
> > I provided qemu images and instructions as follows.
> > 	http://server.roeck-us.net/qemu/mipsel/		MIPS 32 bit, little endian
> > 	http://server.roeck-us.net/qemu/mips64el/	MIPS 64 bit, little endian
> > 
> > Let me know if you also need big endian images.
> 
> Thanks! Does the below work? It appears to work for the mips64 build I did.
> I'll send a proper patch tomorrow; sleep time :-)
> 
Yes, this fixes the problem for both mips32 and mips64.

Guenter

> ---
> diff --git a/arch/mips/configs/malta_defconfig b/arch/mips/configs/malta_defconfig
> index e18741e..869efe7 100644
> --- a/arch/mips/configs/malta_defconfig
> +++ b/arch/mips/configs/malta_defconfig
> @@ -441,3 +441,6 @@ CONFIG_CRYPTO_TEA=m
>  CONFIG_CRYPTO_TWOFISH=m
>  # CONFIG_CRYPTO_ANSI_CPRNG is not set
>  CONFIG_CRC16=m
> +CONFIG_BLK_DEV_INITRD=y
> +CONFIG_CPU_MIPS64_R1=y
> +CONFIG_64BIT=y
> diff --git a/arch/mips/include/asm/atomic.h b/arch/mips/include/asm/atomic.h
> index 476fe3b..f3ee721 100644
> --- a/arch/mips/include/asm/atomic.h
> +++ b/arch/mips/include/asm/atomic.h
> @@ -93,7 +93,7 @@ static __inline__ int atomic_##op##_return(int i, atomic_t * v)			\
>  		"	" #asm_op " %0, %1, %3				\n"	\
>  		"	sc	%0, %2					\n"	\
>  		"	beqzl	%0, 1b					\n"	\
> -		"	addu	%0, %1, %3				\n"	\
> +		"	" #asm_op " %0, %1, %3				\n"	\
>  		"	.set	mips0					\n"	\
>  		: "=&r" (result), "=&r" (temp), "+m" (v->counter)		\
>  		: "Ir" (i));							\
> @@ -111,7 +111,7 @@ static __inline__ int atomic_##op##_return(int i, atomic_t * v)			\
>  			: "Ir" (i));						\
>  		} while (unlikely(!result));					\
>  										\
> -		result = temp + i;						\
> +		result = temp; result c_op i;					\
>  	} else {								\
>  		unsigned long flags;						\
>  										\
> @@ -387,7 +387,7 @@ static __inline__ long atomic64_##op##_return(long i, atomic64_t * v)		\
>  			: "memory");						\
>  		} while (unlikely(!result));					\
>  										\
> -		result = temp + i;						\
> +		result = temp; result c_op i;					\
>  	} else {								\
>  		unsigned long flags;						\
>  										\
> 
> 

  reply	other threads:[~2014-09-02 23:50 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-08-22 22:04 linux-next: Tree for Aug 23 Stephen Rothwell
2014-08-25  4:57 ` Guenter Roeck
2014-09-01 15:58   ` Peter Zijlstra
2014-09-01 16:46     ` Guenter Roeck
2014-09-01 19:04       ` Peter Zijlstra
2014-09-02  9:40         ` Peter Zijlstra
2014-09-02  9:55           ` Peter Zijlstra
2014-09-02 19:04             ` Guenter Roeck
2014-09-02 20:21               ` Peter Zijlstra
2014-09-02 23:50                 ` Guenter Roeck [this message]
2014-09-10 17:31                 ` [tip:locking/arch] locking, mips: Fix atomics tip-bot for Peter Zijlstra
2014-09-02 17:59           ` linux-next: Tree for Aug 23 Guenter Roeck
2014-09-10 17:31           ` [tip:locking/arch] locking, sparc64: Fix atomics tip-bot for Peter Zijlstra
  -- strict thread matches above, loose matches on Subject: below --
2023-08-23  6:14 linux-next: Tree for Aug 23 Stephen Rothwell
2022-08-23  5:26 Stephen Rothwell
2021-08-23 10:26 Stephen Rothwell
2019-08-23  9:26 Stephen Rothwell
2019-08-24  2:37 ` John Hubbard
2018-08-23  3:32 Stephen Rothwell
2017-08-23  7:09 Stephen Rothwell
2016-08-23  4:55 Stephen Rothwell
2012-08-23  5:22 Stephen Rothwell
2011-08-23  6:04 Stephen Rothwell

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